AT&T Smartphones Infringe Wireless IP, Inventor Says

Law360, New York (October 24, 2011, 4:37 PM EDT) -- An inventor launched an infringement suit Friday accusing telecom giant AT&T Inc. of selling smartphones that violate a patent for analog compression technology.

Hark C. Chan alleges in a complaint in Washington state federal court that AT&T sold more than a dozen brands of smartphones that contain technology covered by U.S. Patent Number 7,856,217, titled "Transmission and receiver system operating on multiple audio systems."

“By making, using, selling and offering to sell the aforementioned products, AT&T has been and continues to infringe, either literally or by...
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